Well, it’s 2011. Sometime this year, the global population will pass the 7 billion mark. Jessica B. sent in this video, from National Geographic, that puts that into some perspective, showing the rapid increase in the pace of population growth over time:

Comments 14
AndiM — January 2, 2011
Norman Borlaug.
Ironyca — January 2, 2011
You rarely see the word "us" used so broadly as in this video. It's nice.
Jenna — January 15, 2011
Dislike how after the piece said we dont need space we need balance with us on one side and the Earth on the other (I was thinking ok now they are going to talk about animals and marine life and forests everything we are destroying) Nope they talk about how people need more water and sanitation... I mean its not that people don't...but one tiny mention about the environmental impact would have been nice.